JP6541196B1 - Cargo handling vehicle - Google Patents

Abstract

An object of the present invention is to provide a cargo handling vehicle capable of suppressing adhesion of water droplets to a lens of a back camera with a simple configuration.
A cargo handling vehicle is provided between a vehicle body (10) capable of traveling in the front-rear direction, an engine (31) and a radiator (32) housed in the vehicle body (10), and the engine (31) and a radiator (32). A fan 33 for blowing air, a back camera 35 for capturing a rear of the vehicle body 10, a back camera 35, and a duct member 40 provided to cover the back camera 35. The back camera 35 is directed toward the rear of the vehicle The duct member 40 has a shape that gathers the air flow from the radiator 32 toward the lens of the back camera 35, and also serves as a bracket for supporting the back camera 35.
[Selected figure] Figure 2

Description

  The present invention relates to a cargo handling vehicle provided with a back camera that captures an image of the rear of the vehicle.

  Generally, a vehicle provided with a back camera is known in order to grasp the situation behind the vehicle which is difficult to check visually. The back camera has a lens provided toward the rear, and when water droplets adhere to the lens, there is a problem that an image behind the vehicle becomes unclear.

  Patent Document 1 describes a vehicle provided with a pump device for delivering compressed air and a nozzle device for injecting compressed air to a lens of a camera in order to remove water droplets attached to the lens.

JP, 2012-201122, A

  However, in the configuration in which compressed air is jetted to remove water droplets attached to the lens, there is a problem that the configuration becomes complicated because a pump device or the like is required. As a result, there arises a disadvantage that the manufacturing cost is greatly increased, and a disadvantage that the maintenance is time-consuming.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cargo handling vehicle capable of suppressing the adhesion of water droplets to the lens of the back camera with a simple configuration.

In order to solve the above-described problems, according to a first aspect of the present invention, there is provided a cargo handling vehicle according to the first aspect of the present invention, comprising: a vehicle main body capable of traveling in a longitudinal direction; an engine and a radiator accommodated in the vehicle And a duct member provided to cover the back camera, wherein the back camera is provided with a fan for blowing air toward the radiator, a back camera for capturing the back of the vehicle, which is the back of the vehicle body, and A lens provided facing the rear of the vehicle, the duct member having an upper plate portion covering the back camera from above and a side plate portion covering the back camera from the right side and the left side; the airflow from the radiator has a shape that aggregate toward the lens and serves also as a bracket for supporting the back camera, the upper The duct body portion is constituted by the portion and the side plate portion, and the front end portion of the duct body portion is opened toward the radiator, and the rear end portion of the duct body portion is opened toward the vehicle rear, The back camera may be housed inside the main body .

Moreover, cargo handling vehicle according to claim 2, in handling vehicle according to claim 1, at least a portion of the front SL upper plate portion, the distance between the optical axis of the back camera toward the vehicle rear is short To be inclined with respect to the optical axis.

Moreover, cargo handling vehicle according to claim 3, in handling vehicle according to claim 1 or 2, at least a portion of the front SL side plate portion, the distance between the optical axis of the back camera toward the rear of the vehicle It is characterized in that it is inclined with respect to the optical axis so as to be short.

  A loading and unloading vehicle according to a fourth aspect of the present invention is the loading and unloading vehicle according to any one of the first to third aspects, wherein the duct member covers the back camera and extends further rearward than the lens. And a bending piece provided at a rear end of the duct body, wherein the bending piece is bent from the duct body toward the optical axis of the back camera. Do.

  A loading and unloading vehicle according to claim 5 is the loading and unloading vehicle according to any one of claims 1 to 4, wherein the duct member has an air inflow end at which air flows into the duct member, It has a swirling shape portion for swirling the air that has flowed into the inside of the duct member, and an air outflow end portion from which the air flows out from the inside of the duct member toward the lens, and the swirling shape portion It is characterized in that a foreign matter discharge opening for discharging liquid or solid contained in the turning air from the inside of the duct member is provided.

  The cargo handling vehicle according to claim 6 is the cargo handling vehicle according to any one of claims 1 to 5, wherein an air flow from the radiator is applied to the vehicle main body above the vehicle main body in the vehicle main body. And an exhaust port for discharging toward the lens, and the duct member is provided above the vehicle with respect to the exhaust port, and has a shape for consolidating the air flow from the exhaust port toward the lens. It features.

  According to the present invention, it is possible to provide a cargo handling vehicle that can suppress the adhesion of water droplets to the lens of the back camera with a simple configuration.

It is a side view of the cargo handling vehicle concerning one embodiment of the present invention. (A) is sectional drawing which shows schematic structure of the cargo handling vehicle which concerns on the embodiment, (B) is a top view which shows schematic structure of the cargo handling vehicle which concerns on the embodiment. (A) And (B) is a sectional view of the duct member concerning the embodiment, and its circumference. (A) is a cross-sectional view of a duct member according to a modification of the present invention and the periphery thereof, and (B) is a cross-sectional view of a duct member according to another modification of the present invention and the periphery thereof. (A) is sectional drawing which shows schematic structure of the cargo handling vehicle which concerns on the modification of this invention, (B) is sectional drawing which shows schematic structure of the cargo handling vehicle which concerns on the other modification of this invention.

  One embodiment of the present invention will be described with reference to FIGS. In addition, the front-back direction, the left-right direction, and the up-down direction shall be considered on the basis of a cargo handling vehicle.

  As shown in FIG. 1, the cargo handling vehicle 1 is an engine-type counterbalance forklift, and includes a vehicle main body 10 capable of traveling in the front-rear direction and a cargo handling device 20 provided in front of the vehicle main body 10 .

  The cargo handling vehicle 1 includes, as elements provided in the vehicle main body 10, a driver's seat 11 on which an operator driving the cargo handling vehicle 1 sits, an operation device 12 operated by the operator, and a rear of the vehicle main body 10 An image display device 13 or the like for confirming the rear of the vehicle 1) is provided. The video display device 13 displays a video captured by a back camera 35 described later. Not only the video shot by the back camera 35 but also the video shot by another camera (not shown) may be displayed on the video display device 13, and the back camera 35 and the other cameras may be used. An image obtained by combining the captured images may be displayed.

  In addition, the cargo handling vehicle 1 includes, as elements constituting the cargo handling device 20, a fork 21 for cargo handling, a lift device 22 for moving the fork 21 up and down, a tilt device 23 for tilting the lift device 22 and the fork 21 and the like. There is.

FIG. 2 shows the internal configuration of the vehicle body 10.
As shown in FIGS. 2A and 2B, the loading and unloading vehicle 1 includes an engine 31, a radiator 32, a fan 33, a counterweight 34, and a back camera 35 as elements provided in the vehicle body 10. An upper frame 36, a grill 37 and a duct member 40 are provided. 2A, the cross section of the counter weight 34 and the upper frame 36 is illustrated.

  The engine 31 is an internal combustion engine housed in the vehicle body 10, and generates power for the vehicle body 10 to travel and power for the fork 21 to operate. Further, the engine 31 has a crankshaft connected to the fan 33, and rotates the fan 33.

  The radiator 32 is a heat exchanger accommodated in the vehicle body 10 and is provided rearward of the engine 31. The radiator 32 cools the temperature of the object to be cooled flowing inside the radiator 32 by radiating heat. The objects to be cooled are, for example, a coolant for cooling the engine 31 and a hydraulic oil for operating the cargo handling device 20.

  The fan 33 is a blower provided between the engine 31 and the radiator 32, and blows air to the rear of the vehicle body 10, that is, the radiator 32. The fan 33 generates an air flow which passes through the radiator 32 and reaches the grill 37 and the duct member 40. Arrows indicated by alternate long and short dash lines in the drawing schematically indicate the air flow generated by the fan 33.

  The counterweight 34 is a weight for positioning the center of gravity of the cargo handling vehicle 1 on the rear side, and also serves as a rear frame of the vehicle body 10. The counterweight 34 has a shape that guides the air flow from the radiator 32 upward.

  The back camera 35 is provided on the upper surface of the counterweight 34 via the duct member 40, and images the rear of the vehicle main body 10, which is the rear of the vehicle. The back camera 35 generates video data by photographing the rear of the vehicle, and outputs the video data to the video display device 13. The back camera 35 has a lens 35A (see FIG. 3) provided toward the rear of the vehicle.

  The upper frame 36 is provided above the engine 31 and the like, and covers the engine 31, the radiator 32, and the fan 33 from above. An exhaust port A that opens upward is formed between the upper frame 36 and the counterweight 34.

  The grille 37 is a grid member provided at the exhaust port A formed in the vehicle body 10, and configured to be capable of discharging the air flow passing through the radiator 32 to the outside of the vehicle body 10, and Prevent foreign matter from entering

  The duct member 40 is an air guide member that is open in the front-rear direction, and is provided so as to cover the back camera 35, and is configured to be able to discharge the air flow passing through the radiator 32 to the outside of the vehicle body 10. There is. The duct member 40 has an iris shape that guides the air flow from the radiator 32 to the lens 35A at an increased speed, that is, a shape that collects the air flow toward the lens 35A.

  The duct member 40 also serves as a bracket (support) for the back camera 35 attached to the upper surface of the counterweight 34, and supports the back camera 35. The duct member 40 is fixed to the counterweight 34 or the upper frame 36 by, for example, a bolt (not shown).

FIG. 3 shows the cross-sectional structure of the duct member 40. As shown in FIG.
As shown in FIG. 3A, the duct member 40 of the present embodiment has an upper plate portion 41 that covers the back camera 35 from the upper side, and a part (rear portion) of the upper plate portion 41 is the vehicle rear To the optical axis M so that the distance from the optical axis M of the back camera 35 becomes shorter as

  Further, as shown in FIG. 3B, the duct member 40 of the present embodiment has side plate portions 42 and 43 covering the back camera 35 from the right side and the left side, and the side plate portions 42 and 43 It inclines with respect to the optical axis M so that a distance with the optical axis M of the back camera 35 becomes short as it goes to the vehicle rear.

  Further, as shown in FIG. 3A, the duct member 40 of the present embodiment is added to the duct main body portion 44 constituted by the upper plate portion 41 and the side plate portions 42 and 43 and the rear end of the duct main body portion 44. Furthermore, it has the bending piece 45 provided in. The bending piece 45 is provided integrally with the duct main body 44, and is bent toward the optical axis M of the back camera 35 from the rear end of the upper plate 41 constituting the duct main body 44.

The operation of this embodiment will be described.
As the fan 33 sends air to the rear of the vehicle, the object to be cooled in the radiator 32 is cooled, and the air flow passing through the radiator 32 is discharged to the upper side of the vehicle body 10 through the grille 37 and the duct member 40 is It passes through and is discharged to the rear of the vehicle body 10. At this time, as shown by the alternate long and short dash line in FIG. 3, the air passing through the duct member 40 flows along the inner surface of the duct member 40 so as to concentrate toward the lens 35A. That is, the air flow from the radiator 32 is guided to the lens 35A at an increased speed.

The following effects are obtained in the present embodiment.
(1) The air flow generated by the fan 33 is collected toward the lens 35A, so that the water droplets attached to the lens 35A can be blown away. That is, the attachment of water droplets to the lens 35A can be suppressed with a simple configuration by using the fan 33 for cooling the radiator 32. In addition, since the air heated by passing through the radiator 32 is blown to the lens 35A, it is possible to suppress the fogging of the lens 35A. Further, since the duct member 40 also serves as a bracket for supporting the back camera 35, the number of parts can be reduced.

  (2) The upper plate portion 41 and the side plate portions 42 and 43 of the duct member 40 are inclined with respect to the optical axis M so that the distance between the upper plate portion 41 and the side plate portions 42 and 43 with the optical axis M of the back camera 35 becomes shorter The speed of the air flow from the radiator 32 can be effectively increased.

  (3) Since the bending piece 45 of the duct member 40 is bent from the duct body 44 toward the optical axis M of the back camera 35, the air flow can be effectively guided to the lens 35A of the back camera 35.

  The present invention is not limited to the above embodiment, and the above configuration may be changed as appropriate. For example, the above embodiment may be modified as follows, and the following modifications may be combined as appropriate.

The shape of the duct member 40 may be appropriately changed as long as the air flow from the radiator 32 can be concentrated toward the lens 35A of the back camera 35.
Specifically, for example, as shown in FIG. 4A, the bending piece 45 of the duct member 40 is provided from the rear end of each of the side plate portion 42 and the side plate portion 43 constituting the duct main body portion 44 of the back camera 35. It may be bent toward the optical axis M. Also, for example, the duct member 40 may not have the bending piece 45.

  Also, for example, as shown in FIG. 4B, a duct member 40 configured to be able to separate air and foreign matter may be employed. The duct member 40 shown in FIG. 4B includes an air inflow end portion 51 where air flows into the duct member 40, a swirl shape portion 52 which swirls the air flowing into the duct member 40, and the duct member 40. And an air outflow end 53 from which the air flows out from the inside to the lens 35A. The turning shape portion 52 is provided with a foreign matter discharge opening 54 for discharging moisture, dust, and the like contained in the air during turning from the inside of the duct member 40. According to this configuration, as shown by the two-dot chain line B in the figure, the water, dust, etc. contained in the air flow are discharged from the foreign matter discharge opening 54, so that foreign matter can be effectively discharged from the duct member 40. it can.

  The arrangement of the back camera 35 and the duct member 40 may be appropriately changed as long as the rear of the vehicle can be photographed and the air flow from the radiator 32 can be concentrated toward the lens 35A.

  Specifically, for example, as shown in FIG. 5A, the counterweight 34 is formed with an exhaust port A opening in the front-rear direction, and the duct member 40 and the back camera 35 are formed in the exhaust port A. You may provide. In FIG. 5A, the cross sections of the counterweight 34, the upper frame 36, and the duct member 40 are illustrated.

  Further, for example, as shown in FIG. 5B, the vehicle body 10 is provided with an arm 38 for arranging the back camera 35 at a high place, and the back camera 35 is attached to the arm 38 via the duct member 40. You may provide. The duct member 40 supported by the arm 38 is provided above the exhaust port A above the vehicle. 5B, the cross section of the counter weight 34, the upper frame 36, the grill 37, and the duct member 40 is illustrated.

REFERENCE SIGNS LIST 1 cargo handling vehicle 10 vehicle main body 31 engine 32 radiator 33 fan 35 back camera 35 A lens 40 duct member 41 upper plate portion 42, 43 side plate portion 44 duct main body portion 45 bent piece 51 air inflow end portion 52 turn shape portion 53 air outflow end portion 54 Foreign matter discharge opening A Exhaust port M Optical axis

Claims (6)

A vehicle body capable of traveling in the front-rear direction,
An engine and a radiator housed in the vehicle body;
A fan provided between the engine and the radiator for blowing air toward the radiator;
A back camera for capturing the rear of the vehicle, which is the rear of the vehicle body;
And a duct member provided to cover the back camera,
The back camera has a lens provided toward the rear of the vehicle,
The duct member has an upper plate portion covering the back camera from the upper side, and a side plate portion covering the back camera from the right side and the left side, and a shape for collecting the air flow from the radiator toward the lens And also serves as a bracket for supporting the back camera ,
A duct main body portion is constituted by the upper plate portion and the side plate portion,
The front end portion of the duct body portion opens toward the radiator, the rear end portion of the duct body portion opens toward the rear of the vehicle, and the back camera is accommodated inside the duct body portion. A cargo handling vehicle characterized by At least a part of the upper plate portion is inclined with respect to the optical axis such that the distance from the optical axis of the back camera becomes shorter toward the rear of the vehicle. Loading and unloading vehicles. 3. At least a part of the side plate portion is inclined with respect to the optical axis so that the distance from the optical axis of the back camera becomes shorter toward the rear of the vehicle. The loading and unloading vehicle described. The duct member has a duct main body that covers the back camera and extends further to the rear of the vehicle than the lens, and a bending piece provided at a rear end of the duct main body.
The cargo handling vehicle according to any one of claims 1 to 3, wherein the bending piece is bent from the duct main body toward an optical axis of the back camera. The duct member includes an air inflow end portion through which air flows into the duct member, a swirl shape portion which swirls the air flowing into the duct member, and air from the inside of the duct member toward the lens Has an air outlet end from which the
The foreign material discharge opening part which discharges the liquid or solid contained in the air which is turning from the inside of the duct member is provided in the turning shape part. The loading and unloading vehicle described in. The vehicle body is provided with an exhaust port for discharging the air flow from the radiator toward the upper side of the vehicle above the vehicle body,
The duct member is provided above the vehicle with respect to the exhaust port, and has a shape that concentrates the air flow from the exhaust port toward the lens. The cargo handling vehicle according to one item.

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